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TI-2011-00862 Aliases CVE-2011-1002GHSA-mqr3-725g-5qgw

avahi-core/socket.c in avahi-daemon in Avahi before 0.6.29 allows remote attackers to…

Priority MEDIUM 46CWE-835Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-835.

Summary

avahi-core/socket.c in avahi-daemon in Avahi before 0.6.29 allows remote attackers to cause a denial of service (infinite loop) via an empty mDNS (1) IPv4 or (2) IPv6 UDP packet to port 5353. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-2244.

Why it matters now

EPSS 0.29361 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 45

CPEVersionsRoleVendor
cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:*up to 0.6.28Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.1:*:*:*:*:*:*:*0.1Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.2:*:*:*:*:*:*:*0.2Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.3:*:*:*:*:*:*:*0.3Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.4:*:*:*:*:*:*:*0.4Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.5:*:*:*:*:*:*:*0.5Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.5.1:*:*:*:*:*:*:*0.5.1Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.5.2:*:*:*:*:*:*:*0.5.2Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.1:*:*:*:*:*:*:*0.6.1Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.2:*:*:*:*:*:*:*0.6.2Vulnerableavahi
  • cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:* Versions up to 0.6.28 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.1:*:*:*:*:*:*:* Versions 0.1 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.2:*:*:*:*:*:*:* Versions 0.2 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.3:*:*:*:*:*:*:* Versions 0.3 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.4:*:*:*:*:*:*:* Versions 0.4 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.5:*:*:*:*:*:*:* Versions 0.5 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.5.1:*:*:*:*:*:*:* Versions 0.5.1 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.5.2:*:*:*:*:*:*:* Versions 0.5.2 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.1:*:*:*:*:*:*:* Versions 0.6.1 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.2:*:*:*:*:*:*:* Versions 0.6.2 Vulnerable ·avahi
Show 35 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:avahi:avahi:0.6.3:*:*:*:*:*:*:*0.6.3Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.4:*:*:*:*:*:*:*0.6.4Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.5:*:*:*:*:*:*:*0.6.5Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.6:*:*:*:*:*:*:*0.6.6Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.7:*:*:*:*:*:*:*0.6.7Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.8:*:*:*:*:*:*:*0.6.8Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.9:*:*:*:*:*:*:*0.6.9Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.10:*:*:*:*:*:*:*0.6.10Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.11:*:*:*:*:*:*:*0.6.11Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.12:*:*:*:*:*:*:*0.6.12Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.13:*:*:*:*:*:*:*0.6.13Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.14:*:*:*:*:*:*:*0.6.14Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.15:*:*:*:*:*:*:*0.6.15Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.16:*:*:*:*:*:*:*0.6.16Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.17:*:*:*:*:*:*:*0.6.17Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.18:*:*:*:*:*:*:*0.6.18Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.19:*:*:*:*:*:*:*0.6.19Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.20:*:*:*:*:*:*:*0.6.20Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.21:*:*:*:*:*:*:*0.6.21Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.22:*:*:*:*:*:*:*0.6.22Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.23:*:*:*:*:*:*:*0.6.23Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.24:*:*:*:*:*:*:*0.6.24Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.25:*:*:*:*:*:*:*0.6.25Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.26:*:*:*:*:*:*:*0.6.26Vulnerableavahi
cpe:2.3:a:avahi:avahi:0.6.27:*:*:*:*:*:*:*0.6.27Vulnerableavahi
cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*15VulnerableFedoraproject
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*8.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*9.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*10.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*10.10VulnerableCanonical
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*5.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*6.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
  • cpe:2.3:a:avahi:avahi:0.6.3:*:*:*:*:*:*:* Versions 0.6.3 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.4:*:*:*:*:*:*:* Versions 0.6.4 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.5:*:*:*:*:*:*:* Versions 0.6.5 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.6:*:*:*:*:*:*:* Versions 0.6.6 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.7:*:*:*:*:*:*:* Versions 0.6.7 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.8:*:*:*:*:*:*:* Versions 0.6.8 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.9:*:*:*:*:*:*:* Versions 0.6.9 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.10:*:*:*:*:*:*:* Versions 0.6.10 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.11:*:*:*:*:*:*:* Versions 0.6.11 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.12:*:*:*:*:*:*:* Versions 0.6.12 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.13:*:*:*:*:*:*:* Versions 0.6.13 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.14:*:*:*:*:*:*:* Versions 0.6.14 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.15:*:*:*:*:*:*:* Versions 0.6.15 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.16:*:*:*:*:*:*:* Versions 0.6.16 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.17:*:*:*:*:*:*:* Versions 0.6.17 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.18:*:*:*:*:*:*:* Versions 0.6.18 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.19:*:*:*:*:*:*:* Versions 0.6.19 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.20:*:*:*:*:*:*:* Versions 0.6.20 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.21:*:*:*:*:*:*:* Versions 0.6.21 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.22:*:*:*:*:*:*:* Versions 0.6.22 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.23:*:*:*:*:*:*:* Versions 0.6.23 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.24:*:*:*:*:*:*:* Versions 0.6.24 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.25:*:*:*:*:*:*:* Versions 0.6.25 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.26:*:*:*:*:*:*:* Versions 0.6.26 Vulnerable ·avahi
  • cpe:2.3:a:avahi:avahi:0.6.27:*:*:*:*:*:*:* Versions 0.6.27 Vulnerable ·avahi
  • cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:* Versions 15 Vulnerable ·Fedoraproject
  • cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* Versions 8.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:* Versions 9.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* Versions 10.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* Versions 10.10 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian

Remediation

Red Hat 2 advisories

  • RHSA-2011:0779 Released 2011-05-19 · Red Hat rating Moderate
    avahi security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) avahi-0.6.25-11.el6, avahi-autoipd-0.6.25-11.el6, avahi-glib-0.6.25-11.el6 +4
    • Red Hat Enterprise Linux Desktop Optional (v. 6) avahi-0.6.25-11.el6, avahi-compat-howl-0.6.25-11.el6, avahi-compat-howl-devel-0.6.25-11.el6 +14
    • Red Hat Enterprise Linux HPC Node (v. 6) avahi-0.6.25-11.el6, avahi-libs-0.6.25-11.el6, avahi-tools-0.6.25-11.el6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) avahi-0.6.25-11.el6, avahi-autoipd-0.6.25-11.el6, avahi-compat-howl-0.6.25-11.el6 +16
    • Red Hat Enterprise Linux Server (v. 6) avahi-0.6.25-11.el6, avahi-0.6.25-11.el6.ppc, avahi-autoipd-0.6.25-11.el6 +7
    • Red Hat Enterprise Linux Server Optional (v. 6) avahi-0.6.25-11.el6, avahi-compat-howl-0.6.25-11.el6, avahi-compat-howl-0.6.25-11.el6.ppc +28
    • Red Hat Enterprise Linux Workstation (v. 6) avahi-0.6.25-11.el6, avahi-autoipd-0.6.25-11.el6, avahi-glib-0.6.25-11.el6 +4
    • Red Hat Enterprise Linux Workstation Optional (v. 6) avahi-0.6.25-11.el6, avahi-compat-howl-0.6.25-11.el6, avahi-compat-howl-devel-0.6.25-11.el6 +14
  • RHSA-2011:0436 Released 2011-04-12 · Red Hat rating Moderate
    avahi security update
    • Red Hat Enterprise Linux (v. 5.6.z server) avahi-0.6.16-10.el5_6, avahi-0.6.16-10.el5_6.i386, avahi-0.6.16-10.el5_6.ia64 +41

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5.6.z server)Fixed RHSA-2011:0436
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2011:0779
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2011:0779
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2011:0779
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2011:0779
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0779
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:0779
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2011:0779
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2011:0779

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1002
  2. 2026-10-03 Alias added: GHSA-mqr3-725g-5qgw

References

Exploit 1

Advisory 14

Other 8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences